78 lines
2.4 KiB
Diff
78 lines
2.4 KiB
Diff
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diff -urp multipath-tools-0.4.9-23.el6-Snapshot8/libmultipath/discovery.c multipath-tools-0.4.9-23.el6-findrport/libmultipath/discovery.c
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--- multipath-tools-0.4.9-23.el6-Snapshot8/libmultipath/discovery.c 2010-07-30 15:06:10.000000000 +0900
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+++ multipath-tools-0.4.9-23.el6-findrport/libmultipath/discovery.c 2010-07-30 18:02:47.000000000 +0900
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@@ -10,6 +10,7 @@
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#include <sys/stat.h>
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#include <dirent.h>
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#include <errno.h>
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+#include <libgen.h>
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#include "checkers.h"
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#include "vector.h"
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@@ -229,6 +230,41 @@ sysfs_get_fc_nodename (struct sysfs_devi
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return 1;
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}
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+static int
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+find_rport_id(struct path *pp)
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+{
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+ char attr_path[SYSFS_PATH_SIZE];
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+ char *dir, *base;
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+ int host, channel, rport_id = -1;
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+
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+ if (safe_sprintf(attr_path,
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+ "/class/fc_transport/target%i:%i:%i",
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+ pp->sg_id.host_no, pp->sg_id.channel,
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+ pp->sg_id.scsi_id)) {
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+ condlog(0, "attr_path too small for target");
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+ return 1;
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+ }
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+
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+ if (sysfs_resolve_link(attr_path, SYSFS_PATH_SIZE))
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+ return -1;
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+
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+ condlog(4, "target%d:%d:%d -> path %s", pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.scsi_id, attr_path);
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+ dir = attr_path;
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+ do {
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+ base = basename(dir);
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+ dir = dirname(dir);
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+
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+ if (sscanf((const char *)base, "rport-%d:%d-%d", &host, &channel, &rport_id) == 3)
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+ break;
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+ } while (strcmp((const char *)dir, "/"));
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+
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+ if (rport_id < 0)
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+ return -1;
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+
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+ condlog(4, "target%d:%d:%d -> rport_id %d", pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.scsi_id, rport_id);
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+ return rport_id;
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+}
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+
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int
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sysfs_set_scsi_tmo (struct multipath *mpp)
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{
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@@ -236,15 +272,21 @@ sysfs_set_scsi_tmo (struct multipath *mp
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struct path *pp;
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int i;
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char value[11];
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+ int rport_id;
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if (!mpp->dev_loss && !mpp->fast_io_fail)
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return 0;
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vector_foreach_slot(mpp->paths, pp, i) {
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+ rport_id = find_rport_id(pp);
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+ if (rport_id < 0) {
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+ condlog(0, "failed to find rport_id for target%d:%d:%d", pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.scsi_id);
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+ return 1;
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+ }
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if (safe_snprintf(attr_path, SYSFS_PATH_SIZE,
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"/class/fc_remote_ports/rport-%d:%d-%d",
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pp->sg_id.host_no, pp->sg_id.channel,
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- pp->sg_id.scsi_id)) {
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- condlog(0, "attr_path '/class/fc_remote_ports/rport-%d:%d-%d' too large", pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.scsi_id);
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+ rport_id)) {
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+ condlog(0, "attr_path '/class/fc_remote_ports/rport-%d:%d-%d' too large", pp->sg_id.host_no, pp->sg_id.channel, rport_id);
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return 1;
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}
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if (mpp->dev_loss){
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